Last name ประยัติ (Prayat 
, ประยัติ ) , globally, is a very rare family name. The last name ประยัติ is habitual in Thailand, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and India. In absolute terms, it is commonest in India, China, and Thailand. Much more frequently, ประยัติ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Prayat | Thailand, United States, India, Malaysia, China |
| ประยัติ | Thailand |